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Development of Skeletal Kerosene Mechanisms and Application to Supersonic Combustion
Yao W(姚卫); Wu K(吴坤); Fan XJ(范学军)
Source PublicationENERGY & FUELS
2018
Pages10.1021/acs.energyfuels.8b03350
ISSN0887-0624
Abstract

Small-size kerosene mechanisms suitable for supersonic combustion modelings are generally scarce in the literature. This study presents five sets of skeletal kerosene mechanisms, respectively, with 89 species/668 reactions (abbreviated as 89s/668r), 48s/197r, 39s/153r, 28s/92r, and 19s/54r, together with validations in both ideal reactors and a realistic scramjet combustor. As the base level of fidelity validation, the adiabatic flame temperature, accumulated heat release, ignition delay, laminar flame speed, and time evolution behaviors agree reasonably with those predicted by the original detailed mechanism (2185s/8217r) over the initial temperatures ranging from 1200 to 2400 K and equivalence ratios from 0.7 to 1.5, which are the typical combustion conditions in scramjet combustors. The skeletal mechanisms are further validated in a three-dimensional full-combustor modeling employing the improved delayed detached eddy simulation (IDDES) together with the finite-rate partially stirred reactor (PaSR) combustion model. As the second and third levels of fidelity validation, the mean flow fields, combustor efficiencies, intermediate species, and turbulence-chemistry interaction modes predicted by the different skeletal mechanisms are compared and analyzed.

KeywordCombustion Condition Combustor Efficiency Improved Delayed Detached Eddy Simulations Initial Temperatures Laminar Flame Speed Scramjet Combustors Supersonic Combustion Turbulence-chemistry Interactions
DOI10.1021/acs.energyfuels.8b03350
Indexed BySCI ; EI
Language英语
WOS IDWOS:000454567000097
Classification二类
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78201
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
Yao W,Wu K,Fan XJ. Development of Skeletal Kerosene Mechanisms and Application to Supersonic Combustion[J]. ENERGY & FUELS,2018:10.1021/acs.energyfuels.8b03350.
APA 姚卫,吴坤,&范学军.(2018).Development of Skeletal Kerosene Mechanisms and Application to Supersonic Combustion.ENERGY & FUELS,10.1021/acs.energyfuels.8b03350.
MLA 姚卫,et al."Development of Skeletal Kerosene Mechanisms and Application to Supersonic Combustion".ENERGY & FUELS (2018):10.1021/acs.energyfuels.8b03350.
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